L. Mustofiyah and F. Su’udiah, “The Impact of the "Teams Games Tournament" Cooperative Model on the Learning Motivation of Grade 2 Elementary School Students: Dampak Model Kooperatif "Teams GamesTournament" Terhadap Motivasi Belajar Siswa Kelas 2 SD”, ijemd, vol. 9, p. 10.21070/ijemd.v9i1.547, Feb. 2020.